3899268 has 36 divisors (see below), whose sum is σ = 9975420. Its totient is φ = 1284096.

The previous prime is 3899243. The next prime is 3899279. The reversal of 3899268 is 8629983.

3899268 is a `hidden beast` number, since 389 + 9 + 268 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1016064 + 2883204 = 1008^2 + 1698^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2596 + ... + 3812.

It is an arithmetic number, because the mean of its divisors is an integer number (277095).

Almost surely, 2^3899268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3899268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4987710).

3899268 is an abundant number, since it is smaller than the sum of its proper divisors (6076152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3899268 is a wasteful number, since it uses less digits than its factorization.

3899268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1311 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 3899268 is about 1974.6564258118. The cubic root of 3899268 is about 157.3962430761.

It can be divided in two parts, 38992 and 68, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 3899268 in words is "three million, eight hundred ninety-nine thousand, two hundred sixty-eight".